// SPDX-FileCopyrightText: (C) 2013 Fons Adriaensen <fons@linuxaudio.org>
// SPDX-License-Identifier: GPL-3.0-or-later
// ----------------------------------------------------------------------------
//
//  Copyright (C) 2013 Fons Adriaensen <fons@linuxaudio.org>
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 3 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------

#ifndef __CRESAMPLER_H
#define __CRESAMPLER_H

class CResampler
{
public:
  CResampler (void);
  ~CResampler (void);

  int setup (double ratio, unsigned int nchan);

  void   clear (void);
  int    reset (void);
  int    nchan (void) const { return _nchan; }
  int    inpsize (void) const;
  double inpdist (void) const;
  int    process (void);

  void set_ratio (double r);
  void set_phase (double p);

  unsigned int inp_count;
  unsigned int out_count;
  float *      inp_data;
  float *      out_data;
  void *       inp_list;
  void *       out_list;

private:
  unsigned int _nchan;
  unsigned int _inmax;
  unsigned int _index;
  unsigned int _nread;
  unsigned int _nzero;
  double       _phase;
  double       _pstep;
  float *      _buff;
};

#endif
